<template>
  <el-card class="card">
    <el-form ref="pwdRef" :model="form" :rules="rules" label-width="80px">
      <el-form-item label="用户名" prop="username">
        <el-input v-model="form.username" disabled/>
      </el-form-item>
      <el-form-item label="原密码" prop="oldPassword">
        <el-input v-model="form.oldPassword" placeholder="请输入旧密码" type="password" show-password/>
      </el-form-item>
      <el-form-item label="新密码" prop="newPassword">
        <el-input v-model="form.newPassword" placeholder="请输入新密码" type="password" show-password/>
      </el-form-item>
      <el-form-item label="确认密码" prop="confirmPassword">
        <el-input v-model="form.confirmPassword" placeholder="请确认密码" type="password" show-password/>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="onSubmit()">保存</el-button>
      </el-form-item>
    </el-form>
  </el-card>
</template>

<script setup>
import { ref } from "vue";
import request from "@/util/request";
import { ElMessage } from "element-plus";
import store from "@/store";

const pwdRef = ref(null);

const form = ref({
  id: -1,
  username: '',
  oldPassword: '',
  newPassword: '',
  confirmPassword: ''
})

const equalToPassword = (rule, value, callback) => {
  if (form.value.newPassword !== value) {
    callback(new Error("两次输入的密码不一致"));
  } else {
    callback();
  }
};

const rules = ref({
  oldPassword: [
    {required: true, message: "原密码不能为空", trigger: "blur"}
  ],
  newPassword: [
    {required: true, message: "新密码不能为空", trigger: "blur"},
    {min: 6, max: 20, message: "长度在 6 到 20 个字符", trigger: "blur"}
  ],
  confirmPassword: [
    {required: true, message: "确认密码不能为空", trigger: "blur"},
    {required: true, validator: equalToPassword, trigger: "blur"}
  ]
});

const initFormData = () => {
  form.value = JSON.parse(sessionStorage.getItem("userInfo"));
  console.log(form.value);
}
initFormData();

const onSubmit = () => {
  pwdRef.value.validate(async (valid) => {
    if (valid) {
      const res = await request.post("user/updatePassword", form.value);
      console.log(res)
      if (res.data.code === 200) {
        ElMessage.success("密码修改成功，下一次登录生效！");
        store.commit("SET_USERINFO", form.value);
        pwdRef.value.resetField();
      } else {
        ElMessage.error(res.data.msg)
      }
    }
  })
}
</script>

<style lang="scss" scoped>
.card {
  border: none;
  border-radius: 0;
  box-shadow: 0 1px 4px rgba(0, 21, 41, 0.08);
}

.el-input {
  width: 500px;
}
</style>